The LED(light-emitting diode) dot matrix screen is constitute of computer, data transfer unit and display unit.
大型LED（发光二极管）显示屏由计算机、数据转换单元与显示单元组成。
It USES PC to transform Chinese character interior code in the sentence to dot matrix display data and send them to LED display screen through serial device.
利用pc机将汉字语句汉字内码转换为点阵显示数据，通过串行口送给显示屏。
The information is displayed through the dot-matrix LCD screen to the user to view.
这些信息都通过点阵液晶屏显示出来给用户查看。
The dot matrix LCD have the advantages of displaying complicated characters and graphics, optional display screen, much information, small bulk and weight, little energy waste and so on.
点阵液晶显示器具有可显示复杂的文字及图形，显示屏面积大小随意、显示信息多、体积小、重量轻、功耗低等优点。
The dot matrix LCD have the advantages of displaying complicated characters and graphics, optional display screen, much information, small bulk and weight, little energy waste and so on.
点阵液晶显示器具有可显示复杂的文字及图形，显示屏面积大小随意、显示信息多、体积小、重量轻、功耗低等优点。
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